# 递归
def recursion(num):
    print("num:", num)
    if num == 1:
        return
    recursion(num - 1)


recursion(100)


def recursion_sum(num):
    if num == 1:
        return 1
    temp = recursion_sum(num - 1)
    return num + temp


total_sum = recursion_sum(5)
print("total_sum:", total_sum)
